I1284
Isopropyl β-D-thiogalactopyranoside solution
ReadyMade IPTG solution for Blue-white screening
Sinonimo/i:
IPTG
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About This Item
Formula empirica (notazione di Hill):
C9H18O5S
Numero CAS:
Peso molecolare:
238.30
Beilstein:
4631
Numero MDL:
Codice UNSPSC:
12352200
ID PubChem:
NACRES:
NA.52
Prodotti consigliati
Grado
for molecular biology
Livello qualitativo
Descrizione
non-ionic
Forma fisica
liquid
PM
238.3
Condizioni di spedizione
dry ice
Temperatura di conservazione
−20°C
Stringa SMILE
CC(C)S[C@@H]1O[C@H](CO)[C@H](O)[C@H](O)[C@H]1O
InChI
1S/C9H18O5S/c1-4(2)15-9-8(13)7(12)6(11)5(3-10)14-9/h4-13H,3H2,1-2H3/t5-,6+,7+,8-,9+/m1/s1
BPHPUYQFMNQIOC-NXRLNHOXSA-N
Descrizione generale
Isopropyl thiogalactose (IPTG) is a sugar derivative widely used for the induction of the expression of recombinant proteins in E. coli. This expression system requires that the gene of interest is cloned in plasmids containing the Lac promoter. IPTG Ready Made is a 0.2 μm filter sterilized solution of 200 mM IPTG. This reagent remains liquid at its storage temperature (-20 °C), thus avoiding freeze-thaw cycles and providing a user-friendly solution.
Applicazioni
Isopropyl β-D-thiogalactopyranoside solution is:
- used as an inducer for the expression of single domain antibodies(sdAbs) in E coli and bioactive peptides
- used in its half-life and decay studies
- suitable for induction of recombinant protein expression in systems controlled by the lac repressor
Azioni biochim/fisiol
Isopropyl β-D-thiogalactopyranoside binds to the lac repressor and releases the tetrameric repressor from the lac operator in an allosteric manner. This binding allows the transcription of genes in the lac operon, such as the gene coding for β--galactosidase. The β-galactosidase gene is transcribed and monosaccharides are the product. Since Isopropyl β-D-thiogalactopyranoside cannot be metabolized by E. coli its concentration remains constant. Therefore, it is not a variable in the experiment.
Principio
Isopropyl β-D-thiogalactopyranoside binds to the lac repressor and releases the tetrameric repressor from the lac operator in an allosteric manner. This binding allows the transcription of genes in the lac operon, such as the gene coding for β-galactosidase. The β-galactosidase gene is transcribed and monosaccharides are the product.
Prodotti correlati
N° Catalogo
Descrizione
Determinazione del prezzo
Codice della classe di stoccaggio
10 - Combustible liquids
Classe di pericolosità dell'acqua (WGK)
WGK 2
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
Dispositivi di protezione individuale
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
Certificati d'analisi (COA)
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